OpenTechnical

OT-2026-000091137

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000091137) never changes.

Identity and time

Publication numberOT-2026-000091137 · never reused
Internal UUID01a0ae9c-f16b-7d1f-a3cf-5ba0136b1ada · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091137
StatusPUBLIC

Content hashes

Canonical textb312d83f9539251312da9e4244464f7f65b92ba4e22d2dcf7c474fbfe26af708
Markdownde6a99bdf3735373b86eac463245242c13c9bab7a566e03cd952eaa9416e808b
PDF
Publication pagec3e4f876e2b71e67955f4b19cd9d135f5edfc5511b20bb9bf4861d1291573079
Manifest928b03fa7d131bd85f82daad397aa0cc50544c34741442910855b43d8fb86fe9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureimn3sr1CwZilWR3oy/frsWKu+/WVS7zxF0yY4xuHzAPOlcjucpZrDWrGTqYLZGRhDzCgPC0G3WSXYnCxMtFVCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:17.707743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091137
observed c3e4f876e2b71e67955f4b19cd9d135f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.690137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091137/manifest.json
observed 928b03fa7d131bd85f82daad397aa0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.672557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091137/publication.md
observed de6a99bdf3735373b86eac463245242c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.655535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091137/publication.txt
observed b312d83f9539251312da9e4244464f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.